import os
import re


                                                              #匹配4、5场景；   

f = open('f.txt', 'r',encoding='utf-8')
a= f.read()
str_2_list = a.split()
str_1 = ''
for i in range(len(str_2_list)):
    str_1 += str_2_list[i]
    #
    print(str_2_list[i])
print(str_2_list[2])


